[datguacdoh]

> "don't run privileged code from people you don't trust." Is both critically important to understand for anyone using a network connected computer and not at all complicated.

That is absolutely complicated for the vast majority of the world's internet users. No one else is my family would understand what the hell "privileged code" means and shouldn't have to.

[Wowfunhappy]

The statement can be simplified down to "don't run programs downloaded from random websites which ask for your admin password."

Adjust the qualifier at the end depending on your platform. On Windows, it might be apps that present a UAC dialogue—or maybe just remove the qualifier, since Windows doesn't do much sandboxing by default.